SY/T 6662.4-2024Non-metallic composite pipes for oil and gas industry - Part 4: Steel wire/steel belt reinforced thermoplastic composite continuous pipe (English PDF)
石油天然气工业用非金属复合管 第4部分：钢丝/钢带增强热塑性塑料复合连续管
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Issued by
General Administration of Customs
Level / Type
National · Recommended
Issue date
December 25, 2024
Implementation date
June 25, 2025
Scope
SY/T 6662.4-2024 is the English-translated version of 石油天然气工业用非金属复合管 第4部分：钢丝/钢带增强热塑性塑料复合连续管.
SY/T 6662.4-2024 is the Chinese standard "Non-metallic composite pipes for oil and gas industry - Part 4: Steel wire/steel belt reinforced thermoplastic composite continuous pipe".
It was issued by General Administration of Customs. Issued on 2024-12-25, in force from 2025-06-25.
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Document preview — SY/T 6662.4-2024
National Standard of the People's Republic of China
Issued by: General Administration of Customs
Contents
- 1 Scope
- 2 Normative References
- 3 Terms and Definitions
- 4 Abbreviated Terms
- 5 Product Structure and Model Designation
- 5.1 Product Structure
- 5.2 Model Designation Method
- 6 Raw Materials
- 6.1 Liner
- 6.2 Reinforcement Layer
- 6.3 Adhesive Layer
- 6.4 Isolating Layer
- 6.5 Outer Sheath
- 6.6 Metal End Fittings
- 6.7 Seals
- 7 Coiled Pipe
- 7.1 Determination of Nominal Pressure Rating (NPR)
- 7.2 Determination of Maximum Operating Pressure (MOP)
- 7.3 Maximum Allowed Temperature
- 7.4 Appearance
- 7.5 Length
- 7.6 Specifications and Dimensions
- 7.7 Performance Requirements
- 7.8 Requirements for Full Reel Pressure Test
- 8 Inspection and Testing
- 8.1 Conditioning of Test Specimens
- 8.2 Appearance
- 8.3 Specifications and Dimensions
- 8.4 Resistance to Splitting under Compression
- 8.5 Longitudinal Reversion
- 8.6 Short-Term Hydrostatic Strength
- 8.7 Short-Term Burst Pressure
- 8.8 Axial Tensile Properties
- 8.9 Minimum Bend Radius
- 8.10 Peel Strength
- 8.11 Gas Tightness Performance
- 8.12 Full Reel Pressure Test
- 9 Inspection Rules
- 9.1 Classification of Inspections
- 9.2 Factory Inspection
- 9.3 Type Tests
1 Foreword
SY/T 6662.4-2024 was issued by General Administration of Customs on 25 December 2024 and has been in force since 25 June 2025.
It is one of 8 parts of the SY/T 6662 series.
This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered.
2 Scope
This document specifies the product structure, raw materials, technical requirements, inspection and testing, inspection rules, marking, packaging, transportation, and storage of steel wire or steel tape reinforced thermoplastic coiled composite pipes (hereinafter referred to as "coiled pipes") and their joints. This document is applicable to the manufacture and inspection of steel wire/steel tape reinforced thermoplastic coiled composite pipes used in systems such as gathering and transportation, injection, and produced water disposal in oil and gas field surface engineering.
3 About this standard
Sector: Oil & Gas Industry Standard (Recommended)
Issued by: General Administration of Customs
English translation: about 15 pages (approximate)
4 Related standards
Other parts of this standard:
SY/T 6662.1-2022 — Non-metallic composite pipes for the oil and gas industry - Part 1: Steel skeleton reinforced polyethylene composite pipes
SY/T 6662.2-2020 — Non-metallic composite pipes for petroleum and natural gas industry - Part 2: Flexible composite high-pressure conveying pipes
SY/T 6662.3-2012 — Non-metallic composite pipes for petroleum and natural gas industries. Part 3: Reinforced MC nylon pipes and nylon-steel composite pipes
SY/T 6662.5-2024 — Part 5: Reinforced ultra-high molecular weight polyethylene - Composite Continuous Tube
SY/T 6662.6-2014 — Non-metallic composite pipes for petroleum and natural gas industries. Part 6: Flexible coiled composite pipes and end fittings used in the well
SY/T 6662.7-2024 — Non-metallic composite pipes for petroleum and natural gas industries - Part 7: Thermoplastic lined fiberglass composite pipes
SY/T 6662.8-2016 — Non - metallic composite pipes for industrial use in oil and gas industry - Part 8: Ceramic lined pipes and fittings
5 Classification and status
Prefix SY/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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Related Standards
SY/T 6662.5-2024 — Non-metallic composite pipes for oil and gas industry - Part 5: Reinforced ultra-high molecular weight polyethylene - Composite Continuous Tube
SY/T 6662.3-2012 — Non-metallic composite pipes for petroleum and natural gas industries. Part 3: Reinforced MC nylon pipes and nylon-steel composite pipes
SY/T 6662.5-2014 — Non-metallic composite pipes for petroleum and natural gas industries. Part 5: Reinforced ultra-high molecular weight polyethylene coiled composite pipes and end fittings
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SY/T 6662.4-2024
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